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  • New View when device is rotated

    - by Sebastian
    Hi, I want to call "presentmodalviewcontroller" when the iPhone / iPod Touch is rotated to landscape mode with a flip animation. When it gets rotated back to portrait, I want to present the first view again, again with the flip animation. Weren't able to find something working on the web :( I'm sure you can help me :) Thanks a lot ! Sebastian

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  • UIButton Origin and Device Orientation

    - by Ward
    Hey there, I might be crazy, but for some reason this problem is stumping me. I have a view controller that is set to auto rotate to orientation. Inside I've got two subviews. One is a uibutton. All I want is for my button's origin to stay locked to the bottom-left in portrait and bottom-right in landscape (so it basically stays in the same place). It should also stay in place for portrait upside down and landscape right. Any ideas? Thanks, Howie

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  • Jquery if visible conditional not working

    - by Wade D Ouellet
    Hey, I have a page going here that uses jQuery: http://treethink.com/services What I am trying to do is, if a slide or sub-page is shown in there, change the background colour and colour of the button. To do this I tried saying, if a certain div is shown, the background colour of a certain button changes. However, you can see there that it isn't working properly, it is changing the colour for the web one but not removing the colour change and adding a colour change on a different button when you change pages. Here is the overall code: /* Hide all pages except for web */ $("#services #web-block").show(); $("#services #print-block").hide(); $("#services #branding-block").hide(); /* When a button is clicked, show that page and hide others */ $("#services #web-button").click(function() { $("#services #web-block").show(); $("#services #print-block").hide(); $("#services #branding-block").hide(); }); $("#services #print-button").click(function() { $("#services #print-block").show(); $("#services #web-block").hide(); $("#services #branding-block").hide(); }); $("#services #branding-button").click(function() { $("#services #branding-block").show(); $("#services #web-block").hide(); $("#services #print-block").hide(); }); /* If buttons are active, disable hovering */ if ($('#services #web-block').is(":visible")) { $("#services #web-button").css("background", "#444444"); $("#services #web-button").css("color", "#999999"); } if ($('#services #print-block').is(":visible")) { $("#services #print-button").css("background", "#444444"); $("#services #print-button").css("color", "#999999"); } if ($('#services #branding-block').is(":visible")) { $("#services #branding-button").css("background", "#444444"); $("#services #branding-button").css("color", "#999999"); } Thanks, Wade

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  • NSUserDefaults always returns 0, in Simulator and Device

    - by joec
    I have a settings bundle in my iPhone app, with the following PList: Type: PSMultiValueSpecifier Title: Within (Kilometres) DefaultValue: Number: 1 Titles: Array: Item 1: Number: 1 Item 2: Number: 2 Values: Array: Item 1: Number: 1 Item 2: Number: 2 Key: String: km Then in my code i have: NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; NSInteger choiceOne = [defaults integerForKey:@"km"]; choiceOne is always 0. What am i doing wrong? Thanks

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  • Dependency Injection for Windows Phone 7

    - by Igor Zevaka
    I was trying to use Unity 2.0 beta 2 for Silverlight in my Windows Phone 7 project and I kept getting this crash: Microsoft.Practices.Unity.Silverlight.dll!Microsoft.Practices.ObjectBuilder2.DynamicMethodConstructorStrategy.DynamicMethodConstructorStrategy() + 0x1f bytes Microsoft.Practices.Unity.Silverlight.dll!Microsoft.Practices.ObjectBuilder2.DynamicMethodConstructorStrategy.DynamicMethodConstructorStrategy() + 0x1f bytes mscorlib.dll!System.Reflection.RuntimeConstructorInfo.InternalInvoke(System.Reflection.RuntimeConstructorInfo rtci = {System.Reflection.RuntimeConstructorInfo}, System.Reflection.BindingFlags invokeAttr = Default, System.Reflection.Binder binder = null, object parameters = {object[0]}, System.Globalization.CultureInfo culture = null, bool isBinderDefault = false, System.Reflection.Assembly caller = null, bool verifyAccess = true, ref System.Threading.StackCrawlMark stackMark = LookForMyCaller) mscorlib.dll!System.Reflection.RuntimeConstructorInfo.InternalInvoke(object obj = null, System.Reflection.BindingFlags invokeAttr = Default, System.Reflection.Binder binder = null, object[] parameters = {object[0]}, System.Globalization.CultureInfo culture = null, ref System.Threading.StackCrawlMark stackMark = LookForMyCaller) + 0x103 bytes mscorlib.dll!System.Activator.InternalCreateInstance(System.Type type = {Name = "DynamicMethodConstructorStrategy" FullName = "Microsoft.Practices.ObjectBuilder2.DynamicMethodConstructorStrategy"}, bool nonPublic = false, ref System.Threading.StackCrawlMark stackMark = LookForMyCaller) + 0xf0 bytes mscorlib.dll!System.Activator.CreateInstance() + 0xc bytes Microsoft.Practices.Unity.Silverlight.dll!Microsoft.Practices.ObjectBuilder2.StagedStrategyChain.AddNew(Microsoft.Practices.Unity.ObjectBuilder.UnityBuildStage stage = Creation) + 0x1d bytes Microsoft.Practices.Unity.Silverlight.dll!Microsoft.Practices.Unity.UnityDefaultStrategiesExtension.Initialize() + 0x6c bytes Microsoft.Practices.Unity.Silverlight.dll!Microsoft.Practices.Unity.UnityContainerExtension.InitializeExtension(Microsoft.Practices.Unity.ExtensionContext context = {Microsoft.Practices.Unity.UnityContainer.ExtensionContextImpl}) + 0x31 bytes Microsoft.Practices.Unity.Silverlight.dll!Microsoft.Practices.Unity.UnityContainer.AddExtension(Microsoft.Practices.Unity.UnityContainerExtension extension = {Microsoft.Practices.Unity.UnityDefaultStrategiesExtension}) + 0x1a bytes Microsoft.Practices.Unity.Silverlight.dll!Microsoft.Practices.Unity.UnityContainer.UnityContainer() + 0xf bytes Thinking I could resolve it I've tried a few things but to no avail. Turns out that this is a rather fundamental problem and my assumption that Windows Phone 7 is Silverlight 3 + Some other stuff is wrong. This page describes the differences between Mobile Silverlight and Silverlight 3. Of particular interest is this: The System.Reflection.Emit namespace is not supported in Silverlight for Windows Phone. This is precisely why Unity is crashing on the phone, DynamicMethodConstructorStrategy class uses System.Reflection.Emit quite extensively... So the question is, what alternative to Unity is there for Windows Phone 7?

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  • How do I/O operations block?

    - by someguy
    I am specifically referring to InputStream (Java SE) and its implementations. How is blocking performed? I'm a little worried that they use a "busy-waiting" mechanism, as it would produce a lot of overhead. I believe they do it another way, but I'm just asking to be certain.

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  • Block filters using fragment shaders

    - by Nils
    I was following this tutorial using Apple's OpenGL Shader Builder (tool similar to Nvidia's fx composer, but simpler). I could easily apply the filters, but I don't understand if they worked correct (and if so how can I improve the output). For example the blur filter: OpenGL itself does some image processing on the textures, so if they are displayed in a higher resolution than the original image, they are blurred already by OpenGL. Second the blurred part is brighter then the part not processed, I think this does not make sense, since it just takes pixels from the direct neighborhood. This is defined by float step_w = (1.0/width); Which I don't quite understand: The pixels are indexed using floating point values?? Edit: I forgot to attach the exact code I used: Fragment Shader // Originally taken from: http://www.ozone3d.net/tutorials/image_filtering_p2.php#part_2 #define KERNEL_SIZE 9 float kernel[KERNEL_SIZE]; uniform sampler2D colorMap; uniform float width; uniform float height; float step_w = (1.0/width); float step_h = (1.0/height); // float step_w = 20.0; // float step_h = 20.0; vec2 offset[KERNEL_SIZE]; void main(void) { int i = 0; vec4 sum = vec4(0.0); offset[0] = vec2(-step_w, -step_h); // south west offset[1] = vec2(0.0, -step_h); // south offset[2] = vec2(step_w, -step_h); // south east offset[3] = vec2(-step_w, 0.0); // west offset[4] = vec2(0.0, 0.0); // center offset[5] = vec2(step_w, 0.0); // east offset[6] = vec2(-step_w, step_h); // north west offset[7] = vec2(0.0, step_h); // north offset[8] = vec2(step_w, step_h); // north east // Gaussian kernel // 1 2 1 // 2 4 2 // 1 2 1 kernel[0] = 1.0; kernel[1] = 2.0; kernel[2] = 1.0; kernel[3] = 2.0; kernel[4] = 4.0; kernel[5] = 2.0; kernel[6] = 1.0; kernel[7] = 2.0; kernel[8] = 1.0; // TODO make grayscale first // Laplacian Filter // 0 1 0 // 1 -4 1 // 0 1 0 /* kernel[0] = 0.0; kernel[1] = 1.0; kernel[2] = 0.0; kernel[3] = 1.0; kernel[4] = -4.0; kernel[5] = 1.0; kernel[6] = 0.0; kernel[7] = 2.0; kernel[8] = 0.0; */ // Mean Filter // 1 1 1 // 1 1 1 // 1 1 1 /* kernel[0] = 1.0; kernel[1] = 1.0; kernel[2] = 1.0; kernel[3] = 1.0; kernel[4] = 1.0; kernel[5] = 1.0; kernel[6] = 1.0; kernel[7] = 1.0; kernel[8] = 1.0; */ if(gl_TexCoord[0].s<0.5) { // For every pixel sample the neighbor pixels and sum up for( i=0; i<KERNEL_SIZE; i++ ) { // select the pixel with the concerning offset vec4 tmp = texture2D(colorMap, gl_TexCoord[0].st + offset[i]); sum += tmp * kernel[i]; } sum /= 16.0; } else if( gl_TexCoord[0].s>0.51 ) { sum = texture2D(colorMap, gl_TexCoord[0].xy); } else // Draw a red line { sum = vec4(1.0, 0.0, 0.0, 1.0); } gl_FragColor = sum; } Vertex Shader void main(void) { gl_TexCoord[0] = gl_MultiTexCoord0; gl_Position = ftransform(); }

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  • Append XML string block WITH NAMESPACE REF to existing XmlDocument in .NET

    - by FT
    I have an xml document (XmlDocument) which looks like this... <stuff xmlns:n="hhtp://tempuri.com/"> </stuff> ... and a "fragment" (string) which looks like this <things> <thing n:type="info"> </thing> </things> I want to "inject" the fragment into the main document. How? (HINT: You can't use XmlDocumentFragment because the namespace 'n' isn't declared in the fragment, and the object model complains about this - throwing an 'unknown namespace' error even though the resultant document will be perfectly valid.)

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  • 'if' block in IL

    - by Luke Schafer
    I think I might be missing something important, but I can't seem to figure out how to construct a conditional statement in IL with dynamic method. I've only dabbled lightly in it before, but I need to extend some code now. Is there some documentation somewhere that I haven't found (apart from the CLI documentation), or does someone have some sample code? That would be fantastic. Cheers,

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  • blocking url using firefox extension

    - by user272483
    how can i control access to webpages in firefox. i'm going to develope a new addon for this but colud you tell me what should i do? can firefox extension programming allows this. or should i develop a desktop application to control access. thx in advance.

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  • How to comment out a block of Python code in VIM

    - by Rishabh Manocha
    I was wondering if there was any key mapping in VIM to allow me to indent certain lines of code (whether those lines have been selected in visual mode, or n lines above/below current cursor position). So basically something that converts the following def my_fun(x, y): return x + y to #def my_fun(x, y): # return x + y I am ok with using either # or """ for commenting out the relevant lines. Ideally, I would also like the same keymapping to uncomment the lines if the given lines have been commented out. Thanks

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  • XCode: Block support disabled

    - by Nic Hubbard
    XCode is warning me that Blocks support is disabled, and to compile with -fblocks. I have added -fblocks to the Other Linker Flags section. But compiling again gives me the same error. I am using iOS4 GM. Any ideas on how to fix this?

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  • Objective C block gives link error

    - by ennuikiller
    I'm trying to use objective-c blocks for some iPhone programming and am getting the following link time error: The relevant code is: - (NSDictionary *) getDistances { CLLocationCoordinate2D parkingSpace; NSMutableDictionary *dict; NSIndexSet *indexForUser; BOOL (^test)(id obj, NSUInteger idx, BOOL *stop); test = ^ (id obj, NSUInteger idx, BOOL *stop) { NSString *user = (NSString *)[(NSDictionary *)obj valueForKey:@"userid"]; if ([user isEqualToString:self->sharedUser.userName]) { return YES; } return NO; }; [self->sharedUser.availableParking indexesOfObjectsPassingTest:test]; } Any help would be very much appreciated!!

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  • Custom validator not invoked when using Validation Application Block through configuration

    - by Chris
    I have set up a ruleset in my configuration file which has two validators, one of which is a built-in NotNullValidator, the other of which is a custom validator. The problem is that I see the NotNullValidator hit, but not my custom validator. The custom validator is being used to validate an Entity Framework entity object. I have used the debugger to confirm the NotNull is hit (I forced a failure condition so I saw it set an invalid result), but it never steps into the custom one. I am using MVC as the web app, so I defined the ruleset in a config file at that layer, but my custom validator is defined in another project. However, I wouldn't have thought that to be a problem because when I use the Enterprise Library Configuration tool inside Visual Studio 2008 it is able to set the type properly for the custom validator. As well, I believe the custom validator is fine as it builds ok, and the config tool can reference it properly. Does anybody have any ideas what the problem could be, or even what to do/try to debug further? Here is a stripped down version of my custom validator: [ConfigurationElementType(typeof(CustomValidatorData))] public sealed class UserAccountValidator : Validator { public UserAccountValidator(NameValueCollection attributes) : base(string.Empty, "User Account") { } protected override string DefaultMessageTemplate { get { throw new NotImplementedException(); } } protected override void DoValidate(object objectToValidate, object currentTarget, string key, ValidationResults results) { if (!currentTarget.GetType().Equals(typeof(UserAccount))) { throw new Exception(); } UserAccount userAccountToValidate = (UserAccount)currentTarget; // snipped code ... this.LogValidationResult(results, "The User Account is invalid", currentTarget, key); } } Here is the XML of my ruleset in Validation.config (the NotNull rule is only there to force a failure so I could see it getting hit, and it does): <validation> <type defaultRuleset="default" assemblyName="MyProj.Entities, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" name="MyProj.Entities.UserAccount"> <ruleset name="default"> <properties> <property name="HashedPassword"> <validator negated="true" messageTemplate="" messageTemplateResourceName="" messageTemplateResourceType="" tag="" type="Microsoft.Practices.EnterpriseLibrary.Validation.Validators.NotNullValidator, Microsoft.Practices.EnterpriseLibrary.Validation, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" name="Not Null Validator" /> </property> <property name="Property"> <validator messageTemplate="" messageTemplateResourceName="" messageTemplateResourceType="" tag="" type="MyProj.Entities.UserAccountValidator, MyProj.Entities, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" name="Custom Validator" /> </property> </properties> </ruleset> </type> </validation> And here is the stripped down version of the way I invoke the validation: var type = entity.GetType() var validator = ValidationFactory.CreateValidator(type, "default", new FileConfigurationSource("Validation.config")) var results = validator.Validate(entity) Any advice would be much appreciated! Thanks, Chris

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  • How and where do we write try catch block to handle Exception

    - by Arpita
    We are using C# language to develope a Windows application. Our windows application consists of three layers (UI,Business and DataAccess layer). In Business Layer there are some public (business) methods through which UI communicates wilh Business layer classes. These public methods also have some private methods to implement the required functionality. There are some methods in DataAcess layer which are called from Business layer class. In this situatuion where should i wrte try-catch? a) In Business Layer Public methods b) In Busyness Layer Private methods c) In DataAccess Layer methods d) In UI methods from where Business methods are called.

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  • iPad UIViewController loads as portrait when device is in landscape

    - by jud
    I have an application with 3 view controllers. They are all have shouldAutoRotateToInterfaceOrientation returning YES. The first two, my main menu and my submenu both autorotate just fine. The third viewcontroller, which programatically loads a UIImageView from a jpg file in the program's bundle, will only display in portrait. In the viewcontroller containing the image, i have this: NSString *imageName = [NSString stringWithFormat:@"%@-00%d.jpg",setPrefix,imageNumber]; UIImageView *pictureView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:imageName]]; pictureView.frame = CGRectMake(0, 0, 1024, 768); [self.view addSubview:pictureView]; and again, I have shouldAutoRotateToInterfaceOrientation returning YES for all orientations. My image shows up, but is sideways, and the 0,0,1024,768 values I used to make my rectangle start from the top right corner going down, instead of starting at the top left and going across (holding in landscape). Am I missing a parameter I need to set in order to ensure the imageview shows up in landscape instead of portrait?

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  • I need to block my feed completly

    - by justjoe
    i'm in need a solution via coding. on how to completely hide my blog feed. I know how to optimize related hook and filter such as 'the_excerpt_rss' and 'the_post_rss'. And also understand how to limit access or make my blog private. so, the question is more about howto blocking feed access without make my blog private ? i hope the solution will be not some apache .htacceess. Cause i need to code it directly into my theme.. sorry if this's too much to asked.

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  • How to get .NET HttpContext for isolated code block

    - by Matt Thrower
    Hi, In .NET is it possible to get the HttpContext of the current page from within an external class? So, for example in my page test1.aspx codebehind I've got: Dim blah As New FeedWriter() blah.Run() But inside FeedWriter.vb, can I get the HttpContext of test1.aspx? Or would I have to pass it in to Run()? (I'm unwilling to do the latter because FeedWriter implements an interface which will need to be re-written if it's to take arguments) Cheers, Matt

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  • Decimal numbers works in iPhone simulator but NOT on iPhone device

    - by matsoftware
    Hi everybody, I noticed a weird behaviour of iPhone OS when using decimal values. The simulator parse them from strings in a correct way but when I test the app on my iPhone it lose the decimal part. In particular, I store values in a dictionary that I retrieve in this way: Code: NSString *thickStr = [dictionary valueForKey:@"thickness"]; NSNumber *thickNum = [[[self class] numberFormatter] numberFromString:thickStr]; [self setSpessore:thickNum]; where the "numberFormatter" class is defined as below: Code: + (NSNumberFormatter *)numberFormatter { static NSNumberFormatter *_formatter; if (_formatter == nil) { _formatter = [[NSNumberFormatter alloc] init]; [_formatter setNumberStyle:NSNumberFormatterDecimalStyle]; [_formatter setFormatterBehavior:NSNumberFormatterBehavior10_4]; [_formatter setGeneratesDecimalNumbers:TRUE]; } return _formatter; } But it doesn't work! The App on iPhone keeps on convert the string to a simple integer, forgetting the decimal part, while the app on iPhone simulator works fine!

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  • programmatically change device orientation in iphone

    - by iPhoneDev
    I have navigation based app, when I click on any row in root view, the next view should come in Landscape mode. I am not able to find a proper way to implement this. What I tried is: - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { return UIInterfaceOrientationIsLandscape(interfaceOrientation); } But this is not working. The view should open only in Landscape mode (not when user rotate it). Can any one help me. Thanks

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  • Does python's httplib.HTTPConnection block?

    - by python_noob
    Hello, I am unsure whether or not the following code is a blocking operation in python: import httplib import urllib def do_request(server, port, timeout, remote_url): conn = httplib.HTTPConnection(server, port, timeout=timeout) conn.request("POST", remote_url, urllib.urlencode(query_dictionary, True)) conn.close() return True do_request("http://www.example.org", 80, 30, "foo/bar") print "hi!" And if it is, how would one go about creating a non-blocking asynchronous http request in python? Thanks from a python noob.

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